NEW YORK (Reuters) - More than 2,000 temperature records have been matched or broken in the past week as a brutal heat wave baked much of the United States, and June saw more than 3,200 records topped, the National Oceanic and Atmospheric Administration (NOAA) said Monday.

From June 25 to July 1, some 2,171 record temperatures were either broken or matched, the NOAA said. For the 30 days of June, that number rose to 3,215.

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Five states had more than 100 record temperatures broken in June. Texas had 237 records broken, followed by Colorado (226), Kansas (164), Missouri (126), and Arkansas (115).

The NOAA data comes as a relentless heat grips much of the eastern United States for a fourth straight day. About 2.1 million homes and businesses remained without power on Monday after violent storms and soaring temperatures killed at least 18 people since Friday, many of them when trees fell on their cars or houses.